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Bell System Practices

The Bell System Practices were a set of documents produced by the American Telephone and Telegraph Company to instruct employees on the proper use and maintenance of all kinds of telephone equipment.



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Bell System Practices
BSP A804.420 - Theory Of Relays
BSP A804.420 - Theory Of Relays
by The Pacific Telephone & Telegraph Co.
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Bell System Practices Central Office Maintenance Educational Information Issue C, 6-1-53
Topics: bell system, relays, theory of relays, pacific telephone and telegraph
Bell System Practices
FC183 Circuit Pack, trunk ferrods circuit
FC183 Circuit Pack, trunk ferrods circuit
by Bell Telephone Laboratories Incorporated
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Bell System Practices
FC184 Circuit Pack, master scanner ferrods circuit
FC184 Circuit Pack, master scanner ferrods circuit
by Bell Telephone Laboratories Incorporated
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Bell System Practices
FC190 Circuit Pack, stage three level select circuit
FC190 Circuit Pack, stage three level select circuit
by Bell Telephone Laboratories Incorporated
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Bell System Practices
124F Amplifier
124F Amplifier
by American Telephone & Telegraph Company
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Bell System Practices
Common Systems / J-99329A Control Unit (60A) Circuit
Common Systems / J-99329A Control Unit (60A) Circuit
by Bell Telephone Laboratories Incorporated
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Bell System Practices
Common Systems / Transmission Measuring / 23C and 23CR Transmission Measuring Sets
Common Systems / Transmission Measuring / 23C and 23CR Transmission Measuring Sets
by Bell Telephone Laboratories Incorporated
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Bell System Practices
Common Systems / Switched Maintenance Access System No. 5A or 5B / Jack, Key, and Lamp Circuit
Common Systems / Switched Maintenance Access System No. 5A or 5B / Jack, Key, and Lamp Circuit
by Bell Telephone Laboratories Incorporated
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Bell System Practices
Common Systems / Far-End Test for Incoming Remote Test from LTD
Common Systems / Far-End Test for Incoming Remote Test from LTD
by Bell Telephone Laboratories Incorporated
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Bell System Practices
Common Systems / 3A CC / Command Manual
Common Systems / 3A CC / Command Manual
by Bell Telephone Laboratories Incorporated
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The instruction set for the Western Electric 3A Processor, when used in 3ESS mode.
Bell System Practices
Electronic Switching System / No. 3 / Network Trouble-Shooting Module
Electronic Switching System / No. 3 / Network Trouble-Shooting Module
by Bell Telephone Laboratories Incorporated
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Bell System Practices
Common Systems / Talk Trunk and Line Circuit Applique / No. 16 LTD, LSV and Key Telephone Systems
Common Systems / Talk Trunk and Line Circuit Applique / No. 16 LTD, LSV and Key Telephone Systems
by Bell Telephone Laboratories Incorporated
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Bell System Practices
Common Systems / 5A Timer Circuit
Common Systems / 5A Timer Circuit
by Bell Telephone Laboratories Incorporated
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Bell System Practices
KS-16575-L1 Amplifier (McIntosh) / Description
KS-16575-L1 Amplifier (McIntosh) / Description
by American Telephone & Telegraph Company
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Bell System Practices
Emergency Alarm Circuit / Splicing of Fire Detection Wire
Emergency Alarm Circuit / Splicing of Fire Detection Wire
by Pacific Northwest Bell
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Bell System Practices
Trouble Analysis
Trouble Analysis
by American Telephone & Telegraph Company
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Bell System Practices
Service Observing
Service Observing
by American Telephone & Telegraph Company
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Bell System Practices
Occupational Exposure to Lead
Occupational Exposure to Lead
by American Telephone & Telegraph Company
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Bell System Practices
Area Network Service Center
Area Network Service Center
by American Telephone & Telegraph Company
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Bell System Practices
Equipment Test Lists / Description and Use
Equipment Test Lists / Description and Use
by Western Electric Company, Incorporated
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Bell System Practices
DDD Committee Organizations
DDD Committee Organizations
by American Telephone & Telegraph Company
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Bell System Practices
Equipment Test List / Controllers and Control Units
Equipment Test List / Controllers and Control Units
by American Telephone & Telegraph Company
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Bell System Practices
Amplifiers / 100-Type Loudspeaker Sets / Description
Amplifiers / 100-Type Loudspeaker Sets / Description
by American Telephone & Telegraph Company
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Bell System Practices
106A Amplifier / Initial and Routine Tests
106A Amplifier / Initial and Routine Tests
by American Telephone & Telegraph Company
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Bell System Practices
Equipment Test List / Electron Tubes
Equipment Test List / Electron Tubes
by American Telephone & Telegraph Company
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Bell System Practices
Hold and Trace Procedure
Hold and Trace Procedure
by Pacific Northwest Bell Telephone Company
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Bell System Practices
124B Amplifier
124B Amplifier
by American Telephone & Telegraph Company
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Bell System Practices
141A Amplifier - Description
141A Amplifier - Description
by American Telephone & Telegraph Company
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Bell System Practices
143-Type Amplifiers - Description
143-Type Amplifiers - Description
by American Telephone & Telegraph Company
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Bell System Practices
Commutator Brushes / 10 and 14 Types / Piece-Part Data and Replacement Procedures
Commutator Brushes / 10 and 14 Types / Piece-Part Data and Replacement Procedures
by American Telephone & Telegraph Company
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Bell System Practices
Silver-Plated Panel Multiple Bank Terminals / Method of Making Insulation Resistance Measurements / Battery Cutoff Panel Offices
Silver-Plated Panel Multiple Bank Terminals / Method of Making Insulation Resistance Measurements / Battery Cutoff Panel Offices
by American Telephone & Telegraph Company
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Bell System Practices
Repair of Multiple Bank Insulation / Panel Offices
Repair of Multiple Bank Insulation / Panel Offices
by American Telephone & Telegraph Company
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Bell System Practices
142A Amplifier / Input Circuit Variations
142A Amplifier / Input Circuit Variations
by American Telephone & Telegraph Company
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Bell System Practices
Gear Reduction Drives, Horizontal Connecting Shafts and Assoc. Bearings Piece Part Data and Replacement Procedures
Gear Reduction Drives, Horizontal Connecting Shafts and Assoc. Bearings Piece Part Data and Replacement Procedures
by American Telephone & Telegraph Company
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Bell System Practices
Starters, Circuit Breakers, Contactors, Field Control Panels, and Magnetic Switches / General Electric Company / Requirements and Adjusting Procedures
Starters, Circuit Breakers, Contactors, Field Control Panels, and Magnetic Switches / General Electric Company / Requirements and Adjusting Procedures
by American Telephone & Telegraph Company
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Bell System Practices
204-Type Selectors / Requirements and Adjusting Procedures
204-Type Selectors / Requirements and Adjusting Procedures
by American Telephone & Telegraph Company
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Bell System Practices
Common Language Abbreviations -- Frames, Racks, Bays, Cabinets, and Associated Central Office Equipment
Common Language Abbreviations -- Frames, Racks, Bays, Cabinets, and Associated Central Office Equipment
by American Telephone & Telegraph Company
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Bell System Practices
Acceptance of Western Electric Co. Installations
Acceptance of Western Electric Co. Installations
by Pacific Northwest Bell Telephone Company
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Bell System Practices
Pacific Northwest Bell / Numerical Index -- Division 002 / PNB Administrative Practices
Pacific Northwest Bell / Numerical Index -- Division 002 / PNB Administrative Practices
by Pacific Northwest Bell Telephone Company
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Bell System Practices
Cross Reference List / 950 Series to Plant Series
Cross Reference List / 950 Series to Plant Series
by American Telephone & Telegraph Company
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Bell System Practices
Description of Circuit Requirement Tables
Description of Circuit Requirement Tables
by American Telephone & Telegraph Company
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Bell System Practices
Common Language / Location Identification / Description
Common Language / Location Identification / Description
by American Telephone & Telegraph Company
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Bell System Practices
New Electronic Switching Systems / Circuit Documentation
New Electronic Switching Systems / Circuit Documentation
by American Telephone & Telegraph Company
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Bell System Practices
Trouble Ticket
Trouble Ticket
by American Telephone & Telegraph Company
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Bell System Practices
Fuses, Mountings, and Enclosures / Requirements and Adjusting Procedures
Fuses, Mountings, and Enclosures / Requirements and Adjusting Procedures
by American Telephone & Telegraph Company
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Bell System Practices
200-, 206-, 209- and 211-Type Selectors / Voltage Tests / Using SD-90013-01 (J97406) Selector Test Set
200-, 206-, 209- and 211-Type Selectors / Voltage Tests / Using SD-90013-01 (J97406) Selector Test Set
by American Telephone & Telegraph Company
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Bell System Practices
Pacific Northwest Bell / Numerical Index -- Division 000 / General Information
Pacific Northwest Bell / Numerical Index -- Division 000 / General Information
by Pacific Northwest Bell Telephone Company
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Bell System Practices
Common Systems / 400A Tone Generator Circuit
Common Systems / 400A Tone Generator Circuit
by Bell Telephone Laboratories Incorporated
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Bell System Practices
Total System Development / Performance Review Phase Guidelines
Total System Development / Performance Review Phase Guidelines
by American Telephone & Telegraph Company
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Bell System Practices
Pacific Northwest Bell; Numerical Index - Division 362; Type N, O and ON Carrier Telephone Systems and Associated Equipment Components
Pacific Northwest Bell; Numerical Index - Division 362; Type N, O and ON Carrier Telephone Systems and Associated Equipment Components
by Pacific Northwest Bell Telephone Company
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This addendum supplements the AT&T Numerical Index and lists the following: All PNB issued practices, addendums & appendices. Long Lines practices Standard for use in PNB Areas. AT&T Practices NOT STANDARD in PNB. (See AT&T index for issue number.)
Topics: pacific northwest bell, carrier
Bell System Practices
Electrostatic Discharge
Electrostatic Discharge
by Bell Communications Research (Bellcore)
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Bell System Practices
Notification Procedures During Events of National Interest, Welfare or Emergency
Notification Procedures During Events of National Interest, Welfare or Emergency
by Pacific Northwest Bell Telephone Company
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Bell System Practices
Master Alphabetical Index / All Divisions
Master Alphabetical Index / All Divisions
by Bell Communications Research (Bellcore)
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Bell System Practices
Cross Reference List / Supply Operating Practices to Plant Series
Cross Reference List / Supply Operating Practices to Plant Series
by American Telephone & Telegraph Company
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Bell System Practices
Contactors KS-5757, KS-15072, KS-15674 and Contactors Having no KS- Designations / Allen-Bradley Company and Westinghouse Corporation / Requirements and Adjusting Procedures
Contactors KS-5757, KS-15072, KS-15674 and Contactors Having no KS- Designations / Allen-Bradley Company and Westinghouse Corporation / Requirements and Adjusting Procedures
by American Telephone & Telegraph Company
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Bell System Practices
DC Contactor Plunger Type / KS-5722 / Requirements and Adjusting Procedures
DC Contactor Plunger Type / KS-5722 / Requirements and Adjusting Procedures
by American Telephone & Telegraph Company
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Bell System Practices
Numerical Index -- Division 00 / General Information
Numerical Index -- Division 00 / General Information
by American Telephone & Telegraph Company
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Bell System Practices
Emergency Restoration of Broadband Carrier Systems
Emergency Restoration of Broadband Carrier Systems
by American Telephone & Telegraph Company -- Long Lines
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Bell System Practices
Bell System Practices / General Plan
Bell System Practices / General Plan
by American Telephone & Telegraph Company
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Bell System Practices
Pictorial Wiring Diagrams / Methods Used
Pictorial Wiring Diagrams / Methods Used
by American Telephone & Telegraph Company
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Bell System Practices
Cross Reference List / B Series to Plant Series
Cross Reference List / B Series to Plant Series
by American Telephone & Telegraph Company
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Bell System Practices
Stored Program Control / System Documents
Stored Program Control / System Documents
by American Telephone & Telegraph Company
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Bell System Practices
Numerical Index - Division 010 / General Methods
Numerical Index - Division 010 / General Methods
by Bell Communications Research (Bellcore)
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Bell System Practices
Total System Development / Feasibility Phase Guidelines
Total System Development / Feasibility Phase Guidelines
by American Telephone & Telegraph Company
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Bell System Practices
Common Language / Circuit Identification / Description
Common Language / Circuit Identification / Description
by American Telephone & Telegraph Company
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Bell System Practices
Procedures for Fighting Fires in Central Office Buildings
Procedures for Fighting Fires in Central Office Buildings
by American Telephone & Telegraph Company
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Bell System Practices
Winding and Spring Designations / Apparatus Connecting Points Referred To in Circuit Requirements Tables / Standard Prior To 1931
Winding and Spring Designations / Apparatus Connecting Points Referred To in Circuit Requirements Tables / Standard Prior To 1931
by American Telephone & Telegraph Company
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Bell System Practices
DDD Service Bureau Directory
DDD Service Bureau Directory
by American Telephone & Telegraph Company
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Bell System Practices
Occupational Exposure to Noise / Evaluation and Control
Occupational Exposure to Noise / Evaluation and Control
by Bell Communications Research (Bellcore)
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Bell System Practices
Hold and Trace Procedure
Hold and Trace Procedure
by American Telephone & Telegraph Company
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Bell System Practices
General Safety Precautions / Microwave Radiation / Waveguide Hot Patching and Radiation Protective Garment
General Safety Precautions / Microwave Radiation / Waveguide Hot Patching and Radiation Protective Garment
by American Telephone & Telegraph Company
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Bell System Practices
Network Service Improvement Plan / Building an Effective Network Trouble Analysis Bureau
Network Service Improvement Plan / Building an Effective Network Trouble Analysis Bureau
by American Telephone & Telegraph Company
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Bell System Practices
Safety Guidelines for Lightwave Transmission Systems
Safety Guidelines for Lightwave Transmission Systems
by Bell Communications Research (Bellcore)
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Bell System Practices
Interfunctional Special Services Coordination / Organizational and Area Team Member Responsibilities / Centralized Operations Group
Interfunctional Special Services Coordination / Organizational and Area Team Member Responsibilities / Centralized Operations Group
by American Telephone & Telegraph Company
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Bell System Practices
Intercompany Services Coordination Plan / Universal System Service Order / Abbreviations and Field Identifiers
Intercompany Services Coordination Plan / Universal System Service Order / Abbreviations and Field Identifiers
by American Telephone & Telegraph Company
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